Proof of factorization of fragmentation function in non-equilibrium QCD

被引：4
|
作者：
Nayak, Gouranga C. [1 ]
机构：
[1] Univ Arizona, Dept Phys, Tucson, AZ 85721 USA
来源：
ANNALS OF PHYSICS | 2010年 / 325卷 / 03期
关键词：
Factorization theorem; Fragmentation function; Non-equilibrium QCD; Background field method of QCD; ANNIHILATION PROCESSES; PARTON DISTRIBUTION; MASS DIVERGENCES; DRELL; SOFT;
D O I：
10.1016/j.aop.2009.12.009
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
In this paper, we prove factorization of fragmentation function in non-equilibrium QCD by Using Schwinger-Keldysh closed-time path integral formalism. We use the background field method of QCD in a pure gauge in path integral approach to prove factorization of fragmentation function in non-equilibrium QCD. Our proof is valid in any arbitrary gauge fixing parameter alpha. This may be relevant to Study hadron production from quark-gluon plasma at high energy heavy-ion colliders at RHIC and LHC. (C) 2010 Elsevier Inc. All rights reserved.
引用
收藏
页码：682 / 690
页数：9
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